<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title>待办事项</title>
		<link rel="stylesheet" type="text/css" href="https://unpkg.com/bootstrap@4.3.1/dist/css/bootstrap.min.css" />
	</head>

	<body>
		<div class="jumbotron bg-white">
			<div class="container text-center">
				<h1 class="display-4">JavaScript ToDo</h1>
				<p class="lead">待办事项</p>
			</div>
		</div>
		<div class="container">
			<form class="mb-5" action="" onsubmit="return false">
				<div class="form-group">
					<input id="ipt" type="text" class="form-control" placeholder="在此输入内容">
				</div>
				<button id="btn" type="submit" class="btn btn-primary btn-block">添加</button>
			</form>
			<ul class="list-group" id="ul">
				<!--
				<li class="list-group-item d-flex justify-content-between align-items-center">
					学习 HTML
					<!--在bootstrap 里搜 Close 是叉号-->
					<!--<button type="button" class="close" aria-label="Close">&times;</button>
				</li>-->
			</ul>
		</div>
		<script src="script.js"></script>
	</body>

</html>